no its AM3 not AM2/AM2+ your memory is also DDR3 so any mini-ITX with ddr3 support should work
at any-rate AM3 is backwards compatible with AM2/AM2+
I must ask why are you replacing the motherboard is the one thats in there known to be bad ?

no its AM3 not AM2/AM2+ your memory is also DDR3 so any mini-ITX with ddr3 support should work
at any-rate AM3 is backwards compatible with AM2/AM2+
I must ask why are you replacing the motherboard is the one thats in there known to be bad ?